Job # 888 Project Biaxial Design Example 2/28/2011 Design FixedEarth

INPUTS Biaxial Moment Analysis

qall-net 3.30 ksf

B (// to y) 15.00 ft

L (// to x) 9.00 ft

P(+ve dwn) 83.00 kips (service load+pedestal+footing)

Mx 76.00 kip-ft

My -76.00 kip-ft

RESULTS

Ftng.Area 135.00 ft^2

Bearing Pressure Check Soil Tension Check

q1 0.76 ksf OK OK

q2 0.01 ksf OK OK

q3 0.46 ksf OK OK

q4 1.22 ksf OK OK

Eccentricity Check

ex 0.92 ft OK Ecc. is less than L/6

ey 0.92 ft OK Ecc. is less than B/6

Y

X

B' 13.17 ft

L' 7.17 ft

Eff.Area 94.40 ft^2

q2

q1q4

q3

L

B